NCERT Solutions Class 9 Mathematics Chapter 4 Linear Equations In Two Variables

Exercise 4.1 Q.1) The cost of a notebook is twice the cost of a pen. Write a linear equation in two variables to represent this statement. Sol.1) Cost of a notebook = 𝑥 Cost of a pen = 𝑦 Then according to the given statement 𝑥 = 2𝑦 or 𝑥 − 2𝑦 = 0 Q.2) Express the…

CBSE Class 9 Maths Linear Equations in Two Variables MCQs

Question. Which equation satisfies the data given in the table? X –1 0 1 2 Y –3 –1 1 3 (A) y = x – 2 (B) y = 2x – 1 (C) y = 3x – 3 (D) y = x + 1 Answer : B Question. How many linear equations in x and y can be satisfied…

CBSE Class 9 Mathematics Linear Equations In Two Variables Notes Set A

  Chapter 4 Linear Equations in Two Variables Chapter Notes Top Definitions 1. An equation of the form ax + by + c = 0, where a, b and c are real numbers, such that a and b are not both zero, is called a linear equation in two variables. 2. A linear equation in two…

CBSE Class 9 Mathematics Linear Equations In Two Variables Notes Set B

  CBSE Class 9 Concepts for Linear Equations in Two Variables (1). Learning the important concepts is very important for every student to get better marks in examinations. The concepts should be clear which will help in faster learning. The attached concepts made as per…

CBSE Class 9 Mathematics Linear Equations VBQs

  LINEAR EQUATION   Question. In a village primary school enrolment of girls has doubled this year as compared to last year. Considering this year’s enrolment as ‘y’ and previous year’s enrollment as x :   (a) Form a linear equation for this information.…